Cell phone case



FIG. 1 is a front, right-side, and bottom perspective view of a cell phone case showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in drawing FIG. 3 form no part of the claimed design and depict portions of the cell phone case that form no part of the claimed design. 

CLAIM The ornamental design for a cell phone case, as shown and described. 